Adding Negative Numbers

Front

What is the result of adding a positive number and a negative number?

Back

The result is the difference between the two numbers, with the sign of the larger absolute value.

Front

How do you represent a loss in terms of integers?

Back

A loss is represented as a negative integer.

Front

What is the sum of 9 and -22?

Back

The sum is -13.

Front

If Bob lost 5 points and then lost 9 points, how can this be expressed mathematically?

Back

It can be expressed as -5 + (-9) = -14.

Front

What does the term 'overall change' refer to in application-based questions?

Back

Overall change refers to the net result after considering gains and losses.

Front

How do you calculate the overall change in a situation involving gains and losses?

Back

You add the gains as positive integers and the losses as negative integers.

Front

What is the significance of using parentheses in expressions like 9 + (-22)?

Back

Parentheses indicate that the number inside is negative, clarifying the operation.

Front

What is the general formula for calculating net change?

Back

Net change = Total Gains + Total Losses (where losses are negative).

Front

How can you visualize the addition of negative numbers on a number line?

Back

Moving left on the number line represents adding negative numbers.

Front

What is the difference between a positive integer and a negative integer?

Back

A positive integer is greater than zero, while a negative integer is less than zero.